Condition
Governor mode
AVR mode
G
G
The genset is running in parallel with
another power producing component
on the same busbar. The genset
controller receives a open breaker
command.
The controller sends commands to
de-load the generator breaker.
•
Power regulation
•
Reactive
power
regulation
G
G
There is at least one genset
connected to the busbar. The
SHAFT generator or SHORE
connection controller receives a
close breaker command.
All the gensets connected to the
same busbar that the equipment is
connecting to, receive their set
points from the power management
system (PMS).
•
Frequency
synchronisation
•
Phase
synchronisation
(only for static
synchronisation)
•
Voltage
regulation
G
G
There is at least one genset
connected to the busbar. The
SHAFT generator or SHORE
connection controller receives an
open breaker command.
All the gensets connected to the
same busbar that the equipment is
disconnecting from, receive their set
points from the PMS.
•
Power regulation
•
Reactive
power
regulation
G
G
A bus tie breaker controller receives
a close breaker command between
two live busbars.
All the connected gensets on both
busbars receive their set points from
the PMS.
•
Frequency
synchronisation
•
Phase
synchronisation
(only for static
synchronisation)
•
Voltage
regulation
G
G
A bus tie breaker controller receives
an open breaker command.
All the connected gensets on the
busbar that is splitting sections
receive their set points from the
PMS.
•
Power regulation
•
Reactive
power
regulation
DESIGNER'S HANDBOOK 4189340911K UK
Page 174 of 521